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85469730 = 23512722433
BaseRepresentation
bin1010001100000…
…10101000100010
312221211022102120
411012002220202
5133340012410
612251525110
72055323613
oct506025042
9187738376
1085469730
1144277745
1224759796
1314926c08
14b4cbc0a
157784570
hex5182a22

85469730 has 32 divisors (see below), whose sum is σ = 206751744. Its totient is φ = 22611456.

The previous prime is 85469677. The next prime is 85469731. The reversal of 85469730 is 3796458.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (85469731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7407 + ... + 15026.

It is an arithmetic number, because the mean of its divisors is an integer number (6460992).

Almost surely, 285469730 is an apocalyptic number.

85469730 is an abundant number, since it is smaller than the sum of its proper divisors (121282014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85469730 is a wasteful number, since it uses less digits than its factorization.

85469730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22570.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 85469730 is about 9244.9840454162. The cubic root of 85469730 is about 440.4914103345.

The spelling of 85469730 in words is "eighty-five million, four hundred sixty-nine thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 127 254 381 635 762 1270 1905 3810 22433 44866 67299 112165 134598 224330 336495 672990 2848991 5697982 8546973 14244955 17093946 28489910 42734865 85469730